Net Income Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Nov. 28, 2015	Nov. 29, 2014
Net Income Per Share [Abstract]
Net income as reported	$ 55,029	$ 57,417
Less: Distributed net income available to participating securities	(89)	(1,238)
Less: Undistributed net income available to participating securities	(163)
Undistributed and distributed net income available to common shareholders: Basic	54,777	56,179
Add: Undistributed net income allocated to participating securities	163
Less: Undistributed net income reallocated to participating securities	(162)
Undistributed and distributed net income available to common shareholders: Diluted	$ 54,778	$ 56,179
Weighted average shares outstanding for basic net income per share	61,296	61,246
Effect of dilutive securities	112	296
Weighted average shares outstanding for diluted net income per share	61,408	61,542
Net income per share Two-class method: Basic	$ 0.89	$ 0.92
Net income per share Two-class method: Diluted	$ 0.89	$ 0.91
Antidilutive stock options	1,058	0